DCEC D6.7NS6B290 Automotive Engine
The Engine has a maximum power output of 256 HP, enough to drive large vehicles or provide high performance, which is important for applications that require quick acceleration or long distance runs.
DCEC D6.7NS6B290 has a displacement of 6.7 L, larger displacement means better acceleration performance and handling stability, especially suitable for heavy-duty or high-load working environments.
As part of EMAC, DuraMac provides complete powertrain that integrated with DCEC engine, Fast-Eaton clutch, FAST-CAT transmission, Dongfeng-DANA axle and Komman air suspension, while the electrification of automobile is the certain future, Duramac also get involved with EV powertrain system.
We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.
Advantages of DCEC D6.7NS6B290 Automotive Engine
Lower oil consumption,Extended stroke,the expansion of the combustion gas more fully, Increase effective efficiency output, the economy is better.
Strong power,advanced 4 air valves structure, greater horsepower, air burning more thoroughly, while making low speed torque increase, quicken response speedily, climb strongly.
Excellent reliability, with compulsive cold cut articulated pistons, Can bear extreme high mechanical load and heat load, Strength can be comparable with heavy engine.
Better emissions, Decorate injector and symmetrical combustion chamber in center, make the cylinder is more homogeneous mixture, burning more fully, lower emissions.
Super life, 30% engines 800,000 km without overhaul.
Excellence power, Clean burning, use the advanced lean-burn closed loop electronic control system.
Technical Specifications
Engine Model: | D6.7NS6B290 |
Engine Type: | 6 |
Displacement: | 6.7 L |
Rated Speed: | 2300 RPM |
Rated Power: | 289 HP @ 2300 RPM |
Peak Torque: | 1100 N.m @1200 RPM |
Fuel System: | HPCR |
Aspiration Method: | TC & Chatge Air Intercooler |
Emission Standard: | N/A |
Supercharger Model: | HE300WG |
Supercharger Dimensions: | Medium – Circlip |
CPL Code Revision: | 5277 |
Lead Time: | 15-30 Working Days |
Payment Terms: | T/T ,L/C |
Engine Model | Prime Power | Displacement (L) | Aspiration |
D6.7NS6B260 | 256 HP @ 2300 RPM | 6.7 | TC & Chatge Air Intercooler |
D6.7NS6B290 | 289 HP @ 2300 RPM | 6.7 | TC & Chatge Air Intercooler |
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General Infomation of DCEC D6.7NS6B290 Automotive Engine | |||
Engine Model | D6.7NS6B290 | Compression Ratio | 18.5:1 |
Displacement | 6.7 L | Intake Form | Turbocharged and Charge Air Cooled |
Fuel System | Bosch HPCR | Peak Torque | 1100 N.m @1200 RPM |
Max. Torque | 1000 N-m | Advertised Power | 289 HP @ 2300 RPM |
Supercharger Model | HE300WG | CPL Code Revision | 5277 |
Supercharger Dimensions | Medium – Circlip | Wet Weight | N/A |
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Installation Data of DCEC D6.7NS6B290 Automotive Engine | |||
Engine Speed | 2300 RPM | ||
Output Power | 214 kW | ||
Supercharger Compressor Outlet Pressure | 173.8 kPa | ||
Supercharger Compressor Outlet Temperature | 166 ℃ | ||
Intake Air Flow | 234 L/s | ||
Air Flow After Supercharging | 18.2 kg | ||
Exhaust Flow | 518 L/s | ||
Exhaust Gas Temperature | 554 ℃ | ||
Max.Overspeed Capability | 3450 RPM | ||
Coolant Heat Dissipation | 103.4 kw | ||
Fuel Consumption | 46.3 kg | ||
Engine Mean Effective Pressure | 1661 kPa | ||
Nominal No-load Speed Regulation Speed | 2850 RPM | ||
Maximum Power of Exhaust Brake | N/A | ||
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System Technical Data of DCEC D6.7NS6B290 Automotive Drive Engine | ||
Air Intake System | The Max. Allowable Inlet Air Temperature Rise at The Turbocharger Pressure end Inlet Compared to The Ambient Temperature | 15 ℃ |
Starting System | Min.Ambient Temperature During Cold Start without Assistance | -15 ℃ |
Min.Ambient Temperature with Grill Heating Only | -35 ℃ | |
Exhaust System | Max. Exhaust Back Pressure with Fully Loaded DPF | 56 kPa |
Max. Exhaust Back Pressure | 34 kPa | |
Recommended Exhaust Line Size | 89 mm | |
Engine Speed Corresponding to Maximum Exhaust Back Pressure | 2300 RPM | |
Cooling System | Max. Engine Coolant Outlet Temperature | 107 ℃ |
Max. Coolant Pressure | 250 kPa | |
Trigger Engine Protection Control for Max. Coolant Temperature | 113 ℃ | |
The Max.Coolant Expansion Space Ratio when the Low Level Sensor Alarm is Triggered | 0.28 | |
At the Max. Power Point, the Temperature Difference Between the Allowable Engine Coolant Outlet Temperature and the Ambient Temperature | 66 ℃ | |
At the Max. Power Torque, the Temperature Difference Between the Allowable Engine Coolant Outlet Temperature and the Ambient Temperature | 71 ℃ | |
Fuel Compatibility | ULSD | |
Exhaust System | Max. Exhaust Back Pressure with Fully Loaded DPF | 60 kPa |
Max. Exhaust Back Pressure | 34 kPa | |
Recommended Exhaust Line Size | 89 mm | |
Engine Speed Corresponding to Maximum Exhaust Back Pressure | 2300 RPM | |
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Scopes of Supply of DCEC D6.7NS6B290 Automotive Engine | ||||
Air Intake System | 1. Air Intake Manifold | Exhuast System | 1. Exhuast Manifold | |
2. Water-Air Intercooler | 2. Turbocharger | |||
3. N/A | 3. Exhuast Elbow | |||
Fuel System | 1. Fuel Transfer Pump | Starting System | 1. Starter Motor | |
2. High-Pressure Fuel Pump | 2. Starter Rely | |||
3. Fuel Filter | 3. N/A | |||
Charging System | 1. Charging Alternator | Engine Shut-Down System | 1. Engine Puel Shut-Off Solenoid | |
Lubricating System | 1. Oil Pump | Cooling System | 1. Water Pump | |
2. Oil Filter | 2. Engine Fan | |||
3. N/A | 3. Standard Radiator | |||
Power Output System | 1. Flywheel | Engine Mounting System | 1. Engine Mouting Bracket | |
2. Standard Flywheel Housing | 2. N/A | |||
Engine Auiliary Accessories | 1. Air Compressor | |||
2. Power Steering Pump | ||||
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Optional Accessories of DCEC D6.7NS6B290 Automotive Engine | ||||
Air Intake System | 1. Air Intake Pre-Heater | Exhuast System | 1. Muffler & Bellows | |
2. Air Intake Shut-Off Valve | 2. Flame Trap | |||
3. Air Filter | 3. Spark Arrestor Type Muffler & Bellows | |||
4. Air Intake Pre-Filter | 4. DPF System | |||
5. Air Filter Alarm System | 5. N/A | |||
Fuel System | 1. Coarse Filter | Starting System | 1.Manual Magnetic DC Contactor | |
2. Fuel Pre-Heater | 2. Dual Ears Flywheel Housing | |||
3. N/A | 3. Spring Starter Motor | |||
4. N/A | 4. Air Starter Motor | |||
5. N/A | 5. Hydraulic Starter Motor | |||
Lubricating System | 1. Oil Pre-Heater. | Cooling System | 1. Silent Type Radiator | |
2. N/A | 2. Plateau Radiator | |||
3. N/A | 3. Salt-Spray Resistant Radiator | |||
4. N/A | 4. Coolant Pre-Heater | |||
Power Output System | 1. Clutch | Engine Mounting System | 1. Shock Absorber Pad | |
Engine Auiliary Accessories | 1. Hydraulic Oil Pump | Control System | 1. Can Add Mechanical Accelerator Pedal | |
2. Air Conditioner Compressor | 2. N/A | |||
3. N/A | 3. N/A | |||
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As part of EMAC, DuraMac is Committed to providing reliable powertrain system to commercial vehicle manufacturers around the world, a sub-brand of EMAC group that focusing on automotive application. Based on dozens of world-class engine manufacturing resources in China, and as official exporting agent of Fast tranmission (Joint venture with Caterpillar AT tranmission), Dongfeng Dana axle and Komman air suspension, DuraMac provides one-stop solutions covers from pre-design to components supply, from installation to commissioning, from pre-sales communication to after-sales service support.
For more information of our automotive power system products, you are welcome to visit DuraMac homepage: www.duramac.com
Modifiable Components of DCEC D6.7NS6B290 Automotive Engine | ||||
Air Intake System | 1. Installation Position of Air Filter | Exhuast System | 1. Can Modify Installation Position and Direction of | |
2. Upgrade to Heavy-Duty Type Air Fitler | Turbocharger | |||
3. N/A | 2. Water-Cooled Exhuast manifold | |||
4. N/A | 3. Water-Cooled Turbocharger | |||
Fuel System | 1. Upgrade to Fuel Fitler That Integrated with Fuel Transfer | Starting System | 1. 12V Starter Motor For 12v Electric System | |
Pump and Fuel Pre-Hearter | 2. Upgrading to Specified Brand and Speicifications of | |||
2. N/A | Starter Motor | |||
Charging System | 1. 12V Charging Alternator for 12v Electric System | Engine Shut-Down System | 1. 12V Solenoid for 12v Electric System | |
2. Explosion-Proof Charging Alternator | 2. Explosion-Proof Solenoid | |||
3. Upgrading to Specified Brand And Speicifications of | 3. N/A | |||
Charging Alternator | 4. N/A | |||
Lubricating System | 1. Oil Pan Position | Cooling System | 1. Can Modify Engine Fan Into Blower Fan or Suction Fan | |
2. Number of Dipstick | 2. Can Modify Central Position of Engine Cooling Fan | |||
3. Position of Dipstick Can Choose From 6 Positions | 3. Can Choose Type of Engine Fan From Mechanical Type or | |||
4. Can Modify Oil Filter to be Remote Installation | Electric Type | |||
Power Output System | 1. Can Modify Size of Flywheel Housing and Flywheel. | Engine Mounting System | 1. Can Modify Engine Mouting Bracket. | |
2. Dual-Ear Flywheel Housing (for Twin-Starter System) | 2. N/A | |||
3. Some of Models Can Modify Flywheel Housing Into PTO | 3. N/A | |||
Integrated Type. | 4. N/A | |||
4. Engine Have Connecting Port of PTOs, That Able to | 5. N/A | |||
Provide Power Output. | 6. N/A | |||
Engine Auiliary Accessories | 1. All of Auxiliary System Can Choose Specified Brands and | |||
Specifications. | ||||
2. Additional Auxiliary Systems Can be Added for Special | ||||
Applications. | ||||
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Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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